1. Queen Mary University of London, School of Biological and Chemical Sciences, Mile End Road, London E1 4NS, U.K.
2. Almac Sciences, Department of Biocatalysis and Isotope Chemistry, Almac House, 20 Seagoe Industrial Estate, Craigavon BT63 5QD, Northern Ireland, U.K.
3. Arran Chemical Company Limited, Unit 1 Monksland Industrial Estate, Athlone, Co. Roscommon, Ireland